Question:
Let E=1,2,3,4 and F=1,2. Then the number of onto functions from E to F is
Let E=1,2,3,4 and F=1,2. Then the number of onto functions from E to F is
Show Hint
Onto = total functions − non-onto functions.
Updated On: Mar 18, 2026
- 14
- 16
- 12
- 8
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Verified By Collegedunia
The Correct Option is C
Solution and Explanation
Step 1: Total functions =2⁴=16.
Step 2: Non-onto functions: all map to 1 or all to 2 2.
Step 3: Onto = 16-2=14
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